Apparatus for drying textile and other materials.



A. BOLEG.

APPARATUS FOR DRYING TEXTILE AND OTHER MATERIALS.

APPLICATION FILED JUNE 4, 1909.

958,469. Patented May 17, 1910.

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QlEFICEQ ADOLF BSLEG, (33f RURSCHAOH, SVFITZTEFZJLANED.

Application To all wlzcm it may concc'm:

Be it known that 1, Bloom BOLEG, engineer, 2i subject of W'iii-temhei'g,Germany, and 110W residing at L0. 9 Bur-:gstrasse, Rorschach,Switzerland have invented new and useful Improvements in Methccis ofancl Apparatus for Drying llextile and ether Mziierials, of which thefollowing is specification. I

Textile fabrics, such new-eel cotton rim the like, are generally {hi bymews of Warm air, which is forceil c1" drawn through such materiel.

The inemiei? in which the is conveyed through the material t -t is i0 bedried is of essential importance aciviou wibh the drying, and diiieu 'itprcwsses a]: ready ki1OYi1l,fill of which. possess certain vantages, buthave great :lissclvuu F01 ezzzm'iple the HIGLlIOCl of conveyii currentof air, heated bye sour-cc through materiel same place is a mistaken oneT e nmterial lying .nearest to the i 0; meat ever which mg in ihe dried,and loses in calm mu capeciy tics being spun, While the 1112i lethalwhich thesc away li'ci'n the 'cui'ce ii: h AS 130;

uniformly dried. M03 is very imperfectly uii son a clryin to this picarequires 2' consumes H great deal of The so-culled countewcur 113i,process is superior. According ix:- thie mcthcfi, the material isconveyed in a number cl? layers counter to :1 current of air ccinir froma source 0f heat, and withcli'mvri 0 action theirccf so soon as it is(ii-y. This method is exceeding 7, L as it inthe them I 1 htihzaticn Oithe drying air. Gcnsequcntly, a (iiyiug .umchinc week ing aci'coritlingto this method ueecl 0f but small dimensicns, while the eiitput is hugeand very little steam is required. however, 011 this method, it is thealready coched and moist air VVhiChiJQDGU'hLQS the wettest material,while the material, that; isv almost dry swept by complerely dry airccnv e;- ing the full heat applied by the s iurce, eh disadvantagearises that this i i'ziterial which is nearly dry suiiers ccnsidemblyfrom the action of the dry and highly heated air and is injuriouslyeffected in regard tc cclci' and capacity for being spun,

Another Well-known process is that characterized by graduated dryingincl air heate (1 v or which 1.1g according ch mum and dill.

semi passes-3 ing. in his process ilie {h1g3 heated by cm, L w by anuu'ibei' smiices 0f heat, and. cciiveyccl be tl'ie material in such amanner 4i. the wcii. sat mete l rcceives the heat from all the seurcesof heat, While the, nmi' i'ial that is almpst dry is 8X- pcsed to Jheinfluence cf one source of heat only. materiel he d1" affected. in t L ees regards cclnr or capacity i i Whig; spun. This ac lvimiage 0f theiuethesl of grilfluiltfid drying ever the counter-current process is,hewevei', a=:-teud* rims chewbecli the; "is fa-finer uecesesirv amachiueof "very i i e is he he as .7 saw the cm .0 not injuricuslj ml large.(M13193 effectively n sumption cit Sllchlii low as in the latter prccesw A div' g machine eniplo ate-i 01: :lI-ying ch one chamber, li5iiing-d"the next be made which m1 sgmndi tei'izil. The s. is in this me as thenu (ii mai'i'crent eh mixers Thus mt enly is the air impeii uiilizedand. the cansuinpticn of steam gi'eat, hut the mlveiiitege f thegradual-ed mellicd, pi'eventiun 0f great elite The p11 process pos outany of ti described. apparatus in According of air is first e'f'lieut,and

"Y1 rel ites iic :i drying W156 'ng cu uch invciuiiem ihe current mocleilie-l heated by source is then muiiuci'ed.

can

Wet meter W1 The circumstance that the same iii all i the current cite12: has to peneerz te n'mtcrial between lies; and the sec-0nd. source0i heat only vc This method very fir/arable icthe 7 h. is caused totravel in I whole of the Wetmaterial a current of air which is highlyheated by two sources ofheat and is consequently very capabldofabsorbing moisture. The material being dried is then further conveyed inlayers in the direction of the current of air. The progressive dryingcannot injure the material, as it is effected by the air which has beenalready cooled and moistened by the wet layers of material.

,The material to be dried is fed in the direction of the current of airas long as the air, which is gradually becoming cooler, can absorbmoisture. When the current of air a saturated with moisture, thatis tosay, pent, the material is withdrawn from the action thereof, but isthen immediately exposed to its influence again at the place at which itis only heated by one source of heat, being conveyed incounter-direction to it in layers, and then again withdrawn as soon asthe drying is ended. The completion of the drying is thus effected inaccordance. with the economical counter-current system, but theinjurious action of the latter process on the color and spinningcapacity of the material is obviated, as in conse uence of the divisionof the total source heat, only moderately heated air is applied.

Apparatus suitablefor drying according to my new pr ample, in theaccompanying drawing, in which Figure 1 is a vertical section, and Fig.2 a horizontal section.

A heating chamber a, a drying chamber 6, a heating chamber a, and adrying cham ber d are arranged adj acently to one another. The heatingchambers a and 0 are furnished with heating devices e, and in the dryingchambers b and d superposed openwork or erforated receptacles f areprovided. The

eating chamber a communlcates with the drying chamber 6, by means ofopenings 9, while the heating chamber a communicates with the dryingchambersf-b and (1, through the openings 71, and 2'. Moreover, anopening that is closed by a folding door or flap is is. provided in thepartition between the heating chamber 0 and the drying cham- 55 ber'd. 1v v The current of air flows through the heating and the dryingchambersin the direction indicated by the broken lines along which arrows areshown.

The dryin chambers b and a? are provided with oors l and m, throughwhich the lowest receptacle f can be'withdrawn from the chamber 5 andafter bein J wheeled on the trucli n in front of the cham- 65 her d andintroduced into the latter,

ocess is shown, by way of'ex- The receptacles f can be movedcollectively downward in one chamber 6 and upward in the chamber d bymeans of any ordinaryactuating mechanism suitable for the purpose. 1

The uppermost receptacle f in the cham ber (Z can be introduced into thechamber 6 through the door by means of a suitable device, such, forexample, as an endless chain.

The complete course or circuit, as it were, traversed by the receptaclesf is indicated by the full lines in which arrows apear.

p The action of the apparatus is. as follows: In the course of thecontinuous drying o oration the material which is most neary dry iscontained in the bottom receptacle f in the chamber 6. When thismaterial is thoroughly dry, the bottom receptacle f is taken out of thechamber 6 through the door land placed on to the truck n. The mechanismfor operating the receptacles f now comes into action, raises thereceptacles in the chamber d all to ether throu h a distance equal tothe heig tof one oft em, and introduces the top one into the chamber 6.l-Iereupon the receptacles f in the chamber 6 are lowered 'throu gh adistance equal to the height of one of them.

Meanwhile, the

dried material is removed from the recep- 95 tacle f that is standing onthe truck 01., and wet material placed in this receptacle. The truck nis now wheeled in front of the chamber d and the receptacle f filledwith wet material thereupon pushed into the chamber at through the doorm. The truck is then wheeled back in front of the chamber 6 again, fromwhich the now lowermost receptacle 7", containing dry material, isremoved, and so on. Thus in the chamber 7), which is heated by a singlesource of heat, the drying-air flows in a contrary direction to that oftravel of the material being treated, while in the chamber of, which isheated by two sources otheat, the air flows in the same direction thatin which the material being dried is traveling.

My new method is very favorable 'for the aterial -to be dried, fullyutilizes the dryg capacity ofthe air, and consumes but little steam, andthe apparatus employed incarrying it out need have only two drying Ichambers. The im roved method, therefore, combines all the a vantages ofthe countercurrent and the graduated processes, without having any ofthe defects of those two methods. 1

Having thus described my invention, I declare Chat what I claim as newand desire to secure by Letters Patent is:

1. Apparatus for drying textile and other materials, comprising twoheating and two drying chambers arranged in alternation with/each otherand all in communication,- 1 and means for'feeding the material in suc-1 0 a in session thmu 'h said inleis from the heating chambers 10 thedry-- inguinnnlrers are situated at the opposite em! (if the latter 110the prissu :5 through which the materi a1 is passed by mid feeding mmnsFMbfitzlfifiiliif, as described.

Apparatus for drying textile and othernwteria ls comprising two heatingand two drying chambers arranged in ziitcrnatimi \iiiih each other andall in C(JEUL'DUniQfliiUIl 2 n-ably of supcrpn pevioi'zited n3 izsclesupwardly (ins mile: ad

in the drying sin bottom of said 12 describeii. I in \XllUEt-fi whereofI have hereunto signed my name thls nineteenth day of May 1909, in bepresence of two subscribing itnesses.

.ADULF B'OLEG,

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